import assert from 'node:assert/strict'

import { apiRequest } from '../src/services/api.js'

async function testUsesCustomContentTypeHeader() {
  let capturedOptions = null

  global.fetch = async (_url, options) => {
    capturedOptions = options
    return {
      ok: true,
      async json() {
        return { ok: true }
      }
    }
  }

  await apiRequest('/knowledge/documents', {
    method: 'POST',
    body: 'payload',
    contentType: 'application/octet-stream'
  })

  assert.equal(capturedOptions.headers['Content-Type'], 'application/octet-stream')
}

async function testSupportsBlobResponses() {
  const blob = new Blob(['preview'])

  global.fetch = async () => ({
    ok: true,
    async blob() {
      return blob
    },
    async json() {
      throw new Error('json parser should not be used for blob responses')
    }
  })

  const payload = await apiRequest('/knowledge/documents/demo/content', {
    responseType: 'blob',
    contentType: null
  })

  assert.equal(payload, blob)
}

async function testInjectsAuthenticatedUserHeaders() {
  const sessionStorage = new Map([
    [
      'x-financial-auth-user',
      JSON.stringify({
        username: 'admin',
        name: '系统管理员',
        roleCodes: ['manager'],
        isAdmin: true
      })
    ]
  ])

  global.window = {
    sessionStorage: {
      getItem(key) {
        return sessionStorage.get(key) ?? null
      }
    }
  }

  let capturedOptions = null

  global.fetch = async (_url, options) => {
    capturedOptions = options
    return {
      ok: true,
      async json() {
        return { ok: true }
      }
    }
  }

  await apiRequest('/knowledge/library')

  assert.equal(capturedOptions.headers['x-auth-username'], 'admin')
  assert.equal(capturedOptions.headers['x-auth-name'], '系统管理员')
  assert.equal(capturedOptions.headers['x-auth-role-codes'], 'manager')
  assert.equal(capturedOptions.headers['x-auth-is-admin'], 'true')
}

async function run() {
  await testUsesCustomContentTypeHeader()
  await testSupportsBlobResponses()
  await testInjectsAuthenticatedUserHeaders()
  console.log('api-request tests passed')
}

run().catch((error) => {
  console.error(error)
  process.exit(1)
})